Locomotive-valve.



C. W. MANNOOGH.

LOOOMOTIVE VALVE. 4 APPLIOATION FILED n.11

Patented Apr. 18, 1911.

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CHARLES W. MANNOOCH, 0F FITZGERALD, GEORGIA.

LOCOMOTIVE-VALVE.

Specification of Letters Patent.

Patented Apr. 18, 1911.

Application filed April 11, 1910. Serial No. 554,585.

T0 all whom t may concern.'

Be it known that I, CHARLES W. MAN- NoooH, a citizen of the UnitedStates, and a resident of Fitzgerald, in the count-y of Ben Hill andState of Georgia, have invented certain new and useful Improvements inLocomotive-Valves, of which the following is a specification.

This invention is an improvement in feed valves for cylinders and isespecially designed for use on locomotive cylinders and has for anobject, among others, to provide a balanced rocking valve in cylindricalform and which can be oscillated from any suitable moving part of theengine to properly deliver steam alternately to the opposite ends of thecylinder and to correspondingly exhaust the steam as the operation ofthe invention proceeds; and the invention consists in certain novelconstructions and combinations of parts as will be hereinafter describedand claimed.

In the drawing Figure l is a top plan view of my invention as in use.Fig. 2 is a vertical cross section on about line 2-2 of Fig. l. Fig. 3is a vertical longitudinal section of the invention. Fig. 4 is a detailperspective view o-f the valve and Fig. 5 is a detail section drawnlongitudinally through the valve seat portion of the valve chest.

The cylinder A may be generally of ordinary construction and is providedwith the usual feed ports A and exhaust port A2 and the valve chest B isadapted for application to the cylinder and has feed ports B and exhaustport B2 communicating with those in the cylinder, the purpose being toadapt the valve chest having my improved valve for application to theordinary cylinders now in use when so desired. The Valve chest also hassupply ports B3 in communication with the live steam channels A throughwhich steam is supplied from the boiler and the ports B, B2 and B3communicate with the cylindrical valve seat B* in which the cylindricalrocking valve C is mounted to oscillate as will be understood from Figs.2 and 3 of the drawing.

The supply ports B3 open into the seat B4 near one end thereof anddeliver steam to the open end of the hollow cylindrical valve C as bestshown in Fig. 3 of the drawing. The steam then passes into thecylindrical valve C and discharges through ports C in the said valve toone or the other of the feed ports of the valve chest and is deliveredthence to the cylinder, one feed port C being closed when the other isopen as best shown in Fig. 2 of the drawing. The cylindrical valve C isflattened on one side forming a recess or port C2 which communicates oneof the feed ports B with the exhaust port B2 in one position of thevalve C as shown in Fig. 2 and communicates the other feed port B Withthe said exhaust port B2 when the valve is rocked to its other positionas will be understood from Fig. 2 of the drawing.

At its open end the cylindrical valve C is provided with a cross bar C3crossing the valve diametrically and spacing the open end away from thehead D of the valve chest to such an extent as to ermit the port B3 todeliver steam to the cy indrical valve. This cross bar C3 also providesa bearing for the inner end of the screw D which is threaded in the headD and may be tight-- ened sufliciently to press the closed end of thevalve snugly against the opposite head E of the valve chest. The screw Dalso has another function in that it may be used in an emergency as incase of a break-down on one side of the engine to lock the cylindricalvalve at such side from turning so the opposite side of the engine maybe used as is frequently desirable.

At its closed end the cylindrical valve abuts against a packing plate Fof brass whose outer side is rounded and fits in a correspondinglyformed seat in the head E so it will operate as a packing and somewhatin the fashion of a ball joint in taking up wear and forming a closedjoint at such end of the cylindrical valve. The end plate C4 of thevalve is ported at C to permit the passage of steam to balance the valveat such end and the valve stem C which may be of wrought iron and becast into the cast iron valve, extends through the brass packing plate Fand through the head E and, as shown, receives a crank arm G which canbe connected to any movable part of the machine or engine for properlyoperating the valve.

The valve chest may be provided with a relief valve H and a lubricatingpipe I which may be of ordinary construction.

I claim:

1. The combination substantially as herein described of a cylinderhaving feed and exhaust ports and live steam channels, a valve chestfitted thereto and having a cylindrical valve seat and provided Withfeed and exhaust ports communicating at one end with the correspondingports of the cylinder and at their other ends with the cylindrical valveseat, the said valve chest being also provided With supply portscommunicating at one end With the live steam channels of the cylinderand at their other ends with the cylindrical valve seat near one end ofthe latter, a cylindrical valve fitting the said seat and having one endopen and provided across said end with a cross bar, the said open end ofthe valve being in coininunication With the supply ports of the chest, ahead closing the end ofthe valve seat adjacent the open endof the valveand a screw threaded in said head and hearing against the cross bar ofthe valve7 the valve having feed ports communicating With the feed portsof the chest and also having` a groove or recess forming an exhaust portfor coininunicating one` or the other of the feed ports of the chestWith its exhaust port.

2. rIhe combination of a Valve chest having a cylindrical valve seat andfeed and 25 exhaust ports communicating therewith and also having supplyports opening into the cylindrical valve seat adjacent to one endthereof, a cylindrical valve operating in said seat and having ports tocooperate With the feed and exhaust ports and open at one end for thepassage of steam from the supply ports and having at suchend across barand compression devices operating thereon, substantially as set forth.

CHARLES W. MANNOCH.

Witnesses:

SoLoN C. KEMON, PERRY B. TURPIN.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents. Washington, D. C.

